diff options
| -rw-r--r-- | drivers/staging/sm750fb/sm750.c | 36 | ||||
| -rw-r--r-- | drivers/staging/sm750fb/sm750.h | 3 | ||||
| -rw-r--r-- | drivers/staging/sm750fb/sm750_hw.c | 3 |
3 files changed, 5 insertions, 37 deletions
diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c index 5529905..97fe04a 100644 --- a/drivers/staging/sm750fb/sm750.c +++ b/drivers/staging/sm750fb/sm750.c @@ -16,9 +16,6 @@ #include<linux/vmalloc.h> #include<linux/pagemap.h> #include <linux/console.h> -#ifdef CONFIG_MTRR -#include <asm/mtrr.h> -#endif #include <asm/fb.h> #include "sm750.h" #include "sm750_hw.h" @@ -47,9 +44,7 @@ typedef int (*PROC_SPEC_INITHW)(struct lynx_share*, struct pci_dev*); /* common var for all device */ static int g_hwcursor = 1; static int g_noaccel; -#ifdef CONFIG_MTRR static int g_nomtrr; -#endif static const char *g_fbmode[] = {NULL, NULL}; static const char *g_def_fbmode = "800x600-16@60"; static char *g_settings = NULL; @@ -1126,11 +1121,8 @@ static int lynxfb_pci_probe(struct pci_dev *pdev, pr_info("share->revid = %02x\n", share->revid); share->pdev = pdev; -#ifdef CONFIG_MTRR share->mtrr_off = g_nomtrr; share->mtrr.vram = 0; - share->mtrr.vram_added = 0; -#endif share->accel_off = g_noaccel; share->dual = g_dualview; spin_lock_init(&share->slock); @@ -1158,22 +1150,9 @@ static int lynxfb_pci_probe(struct pci_dev *pdev, goto err_map; } -#ifdef CONFIG_MTRR - if (!share->mtrr_off) { - pr_info("enable mtrr\n"); - share->mtrr.vram = mtrr_add(share->vidmem_start, - share->vidmem_size, - MTRR_TYPE_WRCOMB, 1); - - if (share->mtrr.vram < 0) { - /* don't block driver with the failure of MTRR */ - pr_err("Unable to setup MTRR.\n"); - } else { - share->mtrr.vram_added = 1; - pr_info("MTRR added successfully\n"); - } - } -#endif + if (!share->mtrr_off) + share->mtrr.vram = arch_phys_wc_add(share->vidmem_start, + share->vidmem_size); memset_io(share->pvMem, 0, share->vidmem_size); @@ -1274,12 +1253,7 @@ static void lynxfb_pci_remove(struct pci_dev *pdev) /* release frame buffer */ framebuffer_release(info); } -#ifdef CONFIG_MTRR - if (share->mtrr.vram_added) - mtrr_del(share->mtrr.vram, - share->vidmem_start, - share->vidmem_size); -#endif + arch_phys_wc_del(share->mtrr.vram); iounmap(share->pvReg); iounmap(share->pvMem); @@ -1321,10 +1295,8 @@ static int __init lynxfb_setup(char *options) /* options that mean for any lynx chips are configured here */ if (!strncmp(opt, "noaccel", strlen("noaccel"))) g_noaccel = 1; -#ifdef CONFIG_MTRR else if (!strncmp(opt, "nomtrr", strlen("nomtrr"))) g_nomtrr = 1; -#endif else if (!strncmp(opt, "dual", strlen("dual"))) g_dualview = 1; else { diff --git a/drivers/staging/sm750fb/sm750.h b/drivers/staging/sm750fb/sm750.h index 0847d2b..5528912 100644 --- a/drivers/staging/sm750fb/sm750.h +++ b/drivers/staging/sm750fb/sm750.h @@ -51,13 +51,10 @@ struct lynx_share{ struct lynx_accel accel; int accel_off; int dual; -#ifdef CONFIG_MTRR int mtrr_off; struct{ int vram; - int vram_added; }mtrr; -#endif /* all smi graphic adaptor got below attributes */ unsigned long vidmem_start; unsigned long vidreg_start; diff --git a/drivers/staging/sm750fb/sm750_hw.c b/drivers/staging/sm750fb/sm750_hw.c index 9f0d06d..4b77eb1 100644 --- a/drivers/staging/sm750fb/sm750_hw.c +++ b/drivers/staging/sm750fb/sm750_hw.c @@ -85,8 +85,7 @@ int hw_sm750_map(struct lynx_share* share, struct pci_dev* pdev) } #endif - share->pvMem = ioremap(share->vidmem_start, - share->vidmem_size); + share->pvMem = ioremap_wc(share->vidmem_start, share->vidmem_size); if(!share->pvMem){ pr_err("Map video memory failed\n"); |
